*{
    margin: 0px;
    padding: 0px;
    font-family: 'pingfang';
    transition: all 0.2s;
    box-sizing:border-box
}
.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0
}
.clearfix {
    *zoom: 1
}
ul{
    list-style: none;
}
input,button{
    border: 0px;
    outline: none;
}
i,em{
    font-style:normal;
}
/* .main{
    width: 375px;
    margin: auto;
    background-color: #f7f7f7;
    min-height: 100vh;
    padding: 15px;
    box-sizing: border-box;
} */

button:focus{outline:none;}
input:focus,select:focus,textarea:focus{outline: none;}